@article{etna_vol58_pp582-596,
  author  = {Y. V. Semenova  and S. G. Solodky},
  title   = {An optimal method for recovering the mixed derivative  $f^{(2,2)}$ of bivariate functions},
  journal = {Electron. Trans. Numer. Anal.},
  volume  = {58},
  year    = {2023},
  pages   = {582--596},
  doi     = {10.1553/etna_vol58s582},
}